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| Home > JCE Print > Journal of Chemical Education > Issues >
1999
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February
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In the Laboratory
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An Introductory Organic Lab for the Problem-Solving Lab Approach
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Edward G. Neeland
Department of Chemistry, Okanagan University-College, Kelowna, BC V1V 1V7, Canada
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February 1999
Vol. 76 No. 2
p. 230
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| Abstract |
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We have converted our second-year organic chemistry labs to a problem-solving format, with a very positive student and instructor response. To overcome some of the students' anticipated nervousness about the PSL approach, we have developed an introductory organic laboratory that challenges students to complete the lab using the PSL method but at a very gradual pace, which builds their confidence in the method. The lab begins by asking the students to physically separate sand, a polymer, and an organic unknown. They then continue by purifying the organic compound and determining its purity using a variety of organic chemistry techniques. The completion of this lab introduces students to the concepts of differing solubilities, filtration, separatory funnel extraction, drying agents, thin layer chromatography, rotoevaporation, recrystallization, and mixed melting points
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| Supplement |
A student handout of the detailed experimental procedures can be accessed as a pdf file using Adobe Acrobat Reader or a Microsoft word document. The Word document has been compressed into both a sit file (for Macintosh) and a zip file (for Windows).
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| More Information |
Citation |
Neeland, Edward G. J. Chem. Educ. 1999 76 230.
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Keywords |
Organic Chemistry; Problem-Based Learning; Teaching/Learning Theory/Practice
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History |
Created:
Last Updated: |
June 15, 1999
November 22, 2005
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| Home > JCE Print > Journal of Chemical Education > Issues >
1999
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February
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230
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